namespace Filters.Demo.FilterForms
{
    using System;
    using System.Drawing;
    using System.Globalization;
    using System.Windows.Forms;
    using AForge.Imaging.Filters;
    using Filters.Demo.Core.FilterConfiguration;

    /// <summary>
    /// Summary description for ThresholdForm.
    /// </summary>
    public class ThresholdForm : System.Windows.Forms.Form
    {
        private Threshold filter = new Threshold();
        private byte threshold = 128;

        private FilterElement filterData = new FilterElement { Name = "Threshold", Type = typeof(Threshold).AssemblyQualifiedName };
        private FilterParameterElement filterParameter = new FilterParameterElement { Name = "Value", Type = "byte", Value = "128" };

        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.TextBox thresholdBox;
        private AForge.Controls.ColorSlider slider;
        private System.Windows.Forms.PictureBox pictureBox2;
        private System.Windows.Forms.Button okButton;
        private System.Windows.Forms.Button cancelButton;
        private Filters.Demo.FilterControls.FilterPreview filterPreview;
        private System.Windows.Forms.GroupBox groupBox1;
        private System.ComponentModel.Container components = null;

        // Constructor
        public ThresholdForm()
        {
            // Required for Windows Form Designer support
            this.InitializeComponent();

            this.thresholdBox.Text = this.threshold.ToString();
            this.slider.Min = this.threshold;

            // initial filter values
            this.filter.ThresholdValue = this.threshold;

            this.filterPreview.Filter = this.filter;

            this.filterData.FilterParameters.FilterParameters.Add(this.filterParameter);
            this.filterParameter.Value = this.filter.ThresholdValue.ToString();
        }

        // Image property
        public Bitmap Image
        {
            set { this.filterPreview.Image = value; }
        }

        // Filter property
        public IFilter Filter
        {
            get { return this.filter; }
        }

        // FilterData property
        public FilterElement FilterData
        {
            get { return this.filterData; }
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                if (this.components != null)
                {
                    this.components.Dispose();
                }
            }

            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.label1 = new System.Windows.Forms.Label();
            this.thresholdBox = new System.Windows.Forms.TextBox();
            this.slider = new AForge.Controls.ColorSlider();
            this.pictureBox2 = new System.Windows.Forms.PictureBox();
            this.okButton = new System.Windows.Forms.Button();
            this.cancelButton = new System.Windows.Forms.Button();
            this.filterPreview = new Filters.Demo.FilterControls.FilterPreview();
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(10, 13);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(90, 15);
            this.label1.TabIndex = 0;
            this.label1.Text = "&Threshold value:";
            // 
            // thresholdBox
            // 
            this.thresholdBox.Location = new System.Drawing.Point(100, 10);
            this.thresholdBox.Name = "thresholdBox";
            this.thresholdBox.Size = new System.Drawing.Size(50, 20);
            this.thresholdBox.TabIndex = 1;
            this.thresholdBox.TextChanged += new System.EventHandler(this.MinBoxTextChanged);
            // 
            // slider
            // 
            this.slider.DoubleArrow = false;
            this.slider.Location = new System.Drawing.Point(8, 40);
            this.slider.Min = 127;
            this.slider.Name = "slider";
            this.slider.Size = new System.Drawing.Size(262, 23);
            this.slider.TabIndex = 4;
            this.slider.Type = AForge.Controls.ColorSlider.ColorSliderType.Threshold;
            this.slider.ValuesChanged += new System.EventHandler(this.SliderValuesChanged);
            // 
            // pictureBox2
            // 
            this.pictureBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.pictureBox2.Location = new System.Drawing.Point(10, 120);
            this.pictureBox2.Name = "pictureBox2";
            this.pictureBox2.Size = new System.Drawing.Size(258, 2);
            this.pictureBox2.TabIndex = 11;
            this.pictureBox2.TabStop = false;
            // 
            // okButton
            // 
            this.okButton.DialogResult = System.Windows.Forms.DialogResult.OK;
            this.okButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
            this.okButton.Location = new System.Drawing.Point(57, 140);
            this.okButton.Name = "okButton";
            this.okButton.Size = new System.Drawing.Size(75, 23);
            this.okButton.TabIndex = 6;
            this.okButton.Text = "&Ok";
            // 
            // cancelButton
            // 
            this.cancelButton.DialogResult = System.Windows.Forms.DialogResult.Cancel;
            this.cancelButton.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
            this.cancelButton.Location = new System.Drawing.Point(147, 140);
            this.cancelButton.Name = "cancelButton";
            this.cancelButton.Size = new System.Drawing.Size(75, 23);
            this.cancelButton.TabIndex = 7;
            this.cancelButton.Text = "&Cancel";
            // 
            // filterPreview
            // 
            this.filterPreview.Image = null;
            this.filterPreview.Location = new System.Drawing.Point(10, 15);
            this.filterPreview.Name = "filterPreview";
            this.filterPreview.Size = new System.Drawing.Size(140, 140);
            this.filterPreview.TabIndex = 12;
            // 
            // groupBox1
            // 
            this.groupBox1.Controls.Add(this.filterPreview);
            this.groupBox1.Location = new System.Drawing.Point(290, 5);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(160, 165);
            this.groupBox1.TabIndex = 13;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "Preview";
            // 
            // ThresholdForm
            // 
            this.AcceptButton = this.okButton;
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.CancelButton = this.cancelButton;
            this.ClientSize = new System.Drawing.Size(459, 178);
            this.Controls.Add(this.groupBox1);
            this.Controls.Add(this.cancelButton);
            this.Controls.Add(this.okButton);
            this.Controls.Add(this.pictureBox2);
            this.Controls.Add(this.slider);
            this.Controls.Add(this.thresholdBox);
            this.Controls.Add(this.label1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
            this.MaximizeBox = false;
            this.MinimizeBox = false;
            this.Name = "ThresholdForm";
            this.ShowInTaskbar = false;
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "Threshold";
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit();
            this.groupBox1.ResumeLayout(false);
            this.ResumeLayout(false);
            this.PerformLayout();
        }

        #endregion

        // Min edit box changed
        private void MinBoxTextChanged(object sender, System.EventArgs e)
        {
            try
            {
                this.slider.Min = this.threshold = byte.Parse(this.thresholdBox.Text, CultureInfo.InvariantCulture);

                // refresh filter
                this.filter.ThresholdValue = this.threshold;
                this.filterParameter.Value = this.thresholdBox.Text;

                this.filterPreview.RefreshFilter();
            }
            catch (Exception exeption)
            {
                MessageBox.Show(exeption.Message);
            }
        }

        // Slider position changed
        private void SliderValuesChanged(object sender, System.EventArgs e)
        {
            this.threshold = (byte)this.slider.Min;
            this.thresholdBox.Text = this.threshold.ToString(CultureInfo.InvariantCulture);
        }
    }
}
